DSI offers both repair and calibration for the Hans Rudolph Pneumotach Amplifier and the Validyne pressure transducer.
The Pneumotach Amplifier is manufactured by Hans Rudolph, Inc. Hans Rudolph offers both repair and calibration for the Pneumotach Amplifier. If a pneumotach amplifier is sent to DSI for calibration or repair, DSI will send the unit to Hans Rudolph to have the service performed. It is faster and less expensive to contact Hans Rudolph directly for the service to receive a Hans Rudolph Return Authorization Number (RNA) and fill out their Return Authorization Number form. Hans Rudolph can provide information on costs and instructions on how to return product.
A Validyne transducer can be repaired or calibrated at DSI. To have a Validyne Transducer repaired or calibrated by DSI, simply contact DSI support at firstname.lastname@example.org.